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umask(2)                         System Calls                         umask(2)



NAME
       umask - set and get file creation mask

SYNOPSIS
       #include <sys/types.h>
       #include <sys/stat.h>

       mode_t umask(mode_t cmask);

DESCRIPTION
       The  umask()  function  sets  the  process's file mode creation mask to
       cmask and returns the previous value of the mask. Only the access  per-
       mission  bits  of  cmask  and the file mode creation mask are used. The
       mask is inherited by child processes. See intro(2) for more information
       on masks.

RETURN VALUES
       The previous value of the file mode creation mask is returned.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:


       tab()     allbox;     cw(2.750000i)|    cw(2.750000i)    lw(2.750000i)|
       lw(2.750000i).  ATTRIBUTE TYPEATTRIBUTE VALUE Interface  StabilityStan-
       dard MT-LevelAsync-Signal-Safe


SEE ALSO
       mkdir(1),  sh(1),  intro(2),  chmod(2),  creat(2),  mknod(2),  open(2),
       stat.h(3HEAD), attributes(5), standards(5)



SunOS 5.10                        28 Dec 1996                         umask(2)